Excerpt from d104-Book of the Principles of Interest, Life Annuities, and Assurances, and Their Practical Application, Vol. 2: Life Contingencies, (Including Life Annuities and Assurances) The volume, from the nature of the case, includes but iittle that is actually new in the way of investigation. Nevertheless, it has not been thought expedient to give many references to other writings, principally because, in the majority of instances, there would be difficulty in determining who is the original authority. The initials when they occur, refer to the Journal of the 'institute of Actuaries, which, for the past forty years. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.